Home / 12,737.04-17,579.21-7,431.85

Finding the Fourth Proportional to 12,737.04, 17,579.21 and 7,431.85

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Solution

The fourth proportional to 12,737.04, 17,579.21 and 7,431.85 is: 10,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.04 : 17,579.21 = 7,431.85 : x
  2. Step 2: Convert to fraction form
    12,737.04/17,579.21 = 7,431.85/x
  3. Step 3: Cross multiply
    12,737.04x = 17,579.21 × 7,431.85
  4. Step 4: Simplify right side
    12,737.04x = 130,646,026.47
  5. Step 5: Solve for x
    x = 130,646,026.47/12,737.04
  6. Step 6: Final answer
    x = 10,257.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.